5(r+20)=1/5(20r+400

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Solution for 5(r+20)=1/5(20r+400 equation:



5(r+20)=1/5(20r+400
We move all terms to the left:
5(r+20)-(1/5(20r+400)=0
Domain of the equation: 5(20r+400)!=0
r∈R
We multiply parentheses
5r-(1/5(20r+400)+100=0
We multiply all the terms by the denominator
5r*5(20r+400)+100-(1=0
We add all the numbers together, and all the variables
5r*5(20r+400)=0
Wy multiply elements
25r^2(2=0

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